Synonym studies for feature 1. Feature, character, peculiarity all refer to a special, distinguishing feature of an individual, group, or things. Character is that peculiar quality which every man possesses in his thoughts, that which he easily perceives or notices in others. A characteristic can be a mental or physical quality. A character is commonly contrasted with temperament, which signifies emotional dispositions or feelings. Character is frequently used in psychological literature to signify the central or distinguishing feature of a person or idea.